Hypertension, Pulmonary

• Howard University Hospital — Washington D.C., District of Columbia, United States
• Childrens National Medical Center — Washington D.C., District of Columbia, United States
• University of Chicago — Chicago, Illinois, United States
• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States

• Hospital Gabriel Toure — Bamako, Mali

• Ahmadu Bello University Teaching Hospital — Kaduna, Nigeria

• University Clinic Giessen and Marburg - Campus Giessen — Giessen, Hesse, Germany

• Santa Casa of Sao Paulo Medical School — São Paulo, Brazil

• CHU de Caen — Caen, Normandy, France

• Shenjing Hospital — Shenyang, Liaoning, China

• National Institutes of Health Clinical Center, 9000 Rockville Pike — Bethesda, Maryland, United States

• University of Toledo, Health Science Campus — Toledo, Ohio, United States

Not specified